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Theoretical approach to the magnetostructural correlations in spin-Peierls compound CuGeO3

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A theoretical density-functional study has been carried out to analyze the exchange coupling in the chains of CuGeO3 using discrete models. The results show a good agreement with the experimental exchange coupling constant (J) together with a strong dependence of J with the Cu-O-Cu angle. The calculation of the J values for a distorted model indicates a larger degree of dimerization than those reported previously.

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RUIZ SABÍN, Eliseo, et al. Theoretical approach to the magnetostructural correlations in spin-Peierls compound CuGeO3. Physical Review B. 2000. Vol. 61, num. 1, pags. 54-57. ISSN 0163-1829. [consulted: 26 of May of 2026]. Available at: https://hdl.handle.net/2445/10847

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